Finding the Fourth Proportional to 133,842.67, 184,919.84 and 113,910.19
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Solution
The fourth proportional to 133,842.67, 184,919.84 and 113,910.19 is: 157,380.70
Step by Step Solution
- Step 1: Write the proportion equation
133,842.67 : 184,919.84 = 113,910.19 : x - Step 2: Convert to fraction form
133,842.67/184,919.84 = 113,910.19/x - Step 3: Cross multiply
133,842.67x = 184,919.84 × 113,910.19 - Step 4: Simplify right side
133,842.67x = 21,064,253,539.62 - Step 5: Solve for x
x = 21,064,253,539.62/133,842.67 - Step 6: Final answer
x = 157,380.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.